Global Patent Index - EP 4051644 A1

EP 4051644 A1 20220907 - FINING GLASS USING HIGH TEMPERATURE AND LOW PRESSURE

Title (en)

FINING GLASS USING HIGH TEMPERATURE AND LOW PRESSURE

Title (de)

LÄUTERUNG VON GLAS MIT HOHER TEMPERATUR UND NIEDRIGEM DRUCK

Title (fr)

AFFINAGE DE VERRE À L'AIDE D'UNE HAUTE TEMPÉRATURE ET D'UNE BASSE PRESSION

Publication

EP 4051644 A1 20220907 (EN)

Application

EP 20815974 A 20201027

Priority

  • US 201916668115 A 20191030
  • US 2020057467 W 20201027

Abstract (en)

[origin: WO2021086819A1] A glass fining system (10), glass fining device (12), and method are disclosed. The glass fining device (12) in accordance with one aspect of the disclosure includes at least one heated orifice (20) through which molten glass (16) flows from a glass melter (14) to produce at least one superheated glass stream (24); and a low-pressure chamber (28) disposed downstream from the heated orifice (20), where the at least one superheated glass stream (24) flows from the at least one heated orifice (26) and into the low-pressure chamber (28), and where the low-pressure chamber (28) surrounds the at least one superheated glass stream (24). In some embodiments, the low- pressure chamber (28) may include at least one surface extender (30).

IPC 8 full level

C03B 5/225 (2006.01)

CPC (source: EP US)

C03B 5/02 (2013.01 - US); C03B 5/2252 (2013.01 - EP US); C03B 5/2257 (2013.01 - EP); C03B 5/2356 (2013.01 - US); C03B 5/26 (2013.01 - US); C03B 2211/22 (2013.01 - US)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2021086819 A1 20210506; AU 2020375792 A1 20211223; BR 112021024885 A2 20220517; CA 3144526 A1 20210506; CL 2021003095 A1 20220902; CO 2022002994 A2 20220708; EP 4051644 A1 20220907; MX 2021014536 A 20220317; PE 20221222 A1 20220812; US 11339077 B2 20220524; US 2021292209 A1 20210923; ZA 202110891 B 20231129

DOCDB simple family (application)

US 2020057467 W 20201027; AU 2020375792 A 20201027; BR 112021024885 A 20201027; CA 3144526 A 20201027; CL 2021003095 A 20211123; CO 2022002994 A 20220315; EP 20815974 A 20201027; MX 2021014536 A 20201027; PE 2022000425 A 20201027; US 201916668115 A 20191030; ZA 202110891 A 20211223